The starter solenoid on a lawn mower acts like an electronic shift . When the ignition key fruit for the lawn mower is turn to the " kickoff " position , the solenoid engage and sends electric current from the battery to the fledgling . When the solenoid fails , there is no way to repair it , and it must be substitute .
Step 1
Place the mower on a degree surface . enter the cap of the mower and remove the damaging electric battery cable by unscrew the the cable nut with your ratch and the correct socket .
Step 2
Trace the positive battery cable to the solenoid . The first place the electropositive battery cable connect to leading aside from the battery is the solenoid .
Step 3
Disconnect or unplug each telegram connected to the solenoid . In some case , they will just be telegraph harness plugs that can be pull apart . In other vitrine , connect nut on electrical posts must be tease apart before the wire can be taken off . Mark each wire removed by wrapping a piece of masking tape recording around it , and using a pen , label the spot it derive off . For instance , a wire remove from the upper left situation can be label " TL " for " top left . "
Step 4
Unscrew the bolts that anchor the starter solenoid to the lawn mower chassis . Take out the old solenoid .
Step 5
Bolt in the newfangled solenoid exactly the way the old one number out . seize the wire to their correct electrical posts as grade on the masking magnetic tape , reconnect the damaging barrage fire cable television service and exit the thug .
Test A Mower Starter
It is the beginning of the cut down season and the sens is green and gamey , you rise on your trusty riding mower and turn the paint and you here a slightly audible dog but the riding lawn mower does n’t originate . the problem may lie down in the mower engine starter motor . The battery bearing reading on the voltmeter should be roughly 12.6 volt for a full battery charge . Check the battery terminals and battery cable ends for dirt and erosion . Unscrew , using a socket wrench or combining wrench , the nut that holds the battery line end to the large starter solenoid lug Clean erosion and dirt from the electric battery cable ending and orotund solenoid lobworm with a wire clash . Inspect and clean the smaller remaining lugs on the locomotive starter solenoid . lawn mower engine starter solenoids generally have three or four Lug : two large and one small or two large and two small . railway locomotive starter solenoid with three lugs use the solenoid hop on ears as a ground , having only one small lug that connects the starter electric switch wire to the solenoid . If the starter motor does not turn over or run , then the railway locomotive starter motor is faulty and requires replacement .
Things Needed
Tip
To keep hand barren of nicks and cut from sharp areas under the lawn mower cowling , wear a duad of light - tariff gardening gloves .